#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable:6031)

#include<iostream>
#include<vector>
using namespace std;
class C
{
public:
	C()
	{

	}
	~C()
	{

	}
};

class B
{
public:
	B()
	{

	}
	~B()
	{

	}
};
class A
{
public:
	A()
	{

	}
	~A()
	{

	}
};
class D
{
public:
	D()
	{

	}
	~D()
	{

	}
};

C c;
int main()
{
	A a;
	B b;
	static D d;
	vector<int> arr = { 1,2,3 };
	cout << arr.size() << endl;
	int dest = 0;
	return 0;
}